A Terror Fish on routine patrol is drawn off course by a mysterious undersea melody. Its destruction prompts Titan to investigate and he discovers a potential new ally.
Stingray is mid-way through installing a sonar sensor network on the border of Titanican waters when they are attacked by an unknown vessel, forcing them to destroy it before returning to their task.
Commander Shore receives a priority videophone briefing from World Security Patrol HQ. They advise that a new security liaison officer, Lieutenant Sara Coral will be arriving at Marineville to assess their security measures, much to Shore's annoyance.
X20 detects unusual signals emanating from the ruined Starfish City in the yellow sea. Keen to find favor with Titan, he reports the findings to his master, who departs in his flagship to add the surviving Solarstar to his alliance.
As Shore and Atlanta anxiously try to raise the critically damaged Stingray, Titan revels in the fact that he has dealt a devastating blow to the pride of the WASP fleet and has possibly seen the last of Tempest.
Troy is less than pleased to learn that Captain Dirk Dune has been placed in command of the new WASP submarine Orca. He shares his concerns with Phones and Marina.
